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<?php
/**
* File was created 27.08.2015 08:44
*
* @author Karsten J. Gerber <[email protected]>
*/
namespace PeekAndPoke\Component\Psi\Psi\Map;
use PeekAndPoke\Component\Psi\BinaryFunction;
* Returns input without changing it
class Identity implements BinaryFunction
{
* @param mixed $input
* @param mixed $key
* @return mixed
public function __invoke($input = null, $key = null)
return $input;
}
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